SKF NNU4980BK/SPW33 Cylindrical roller bearings,SKF NNU 4980 BK/SPW33 Super-precision bearings-BEARINGPOWER Co.,Ltd.
Bearings, units and housings -- Super-precision bearings -- Cylindrical roller bearings -- Cylindrical roller bearings, double row, super-precision -- SKF NNU 4980 BK/SPW33

NNU 4980 BK/SPW33

Dimensions
d 400mm
D 540mm
B 140mm
D1 490.8mm
F 446mm
b 16.7mm
K 9mm
r1,2min.4mm
r3,4min.2.5mm
smax.5.5mm

Tapered bore, taper 1:12

Abutment dimensions
damin.415mm
damax.441mm
Damax.524mm
ramax.3mm
Calculation data
Basic dynamic load ratingC 1470kN
Basic static load ratingC0 3800kN
Fatigue load limitPu 335kN
Attainable speed for grease lubrication  1300r/min
Attainable speed for oil-air lubrication  1500r/min
Mass
Mass bearing  87.5kg
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Hot number： 1850 VA R 4308 ATN9 71926 ACD/P4AH1 91310 84576 D/W R6 HE 316 KMTA 13 NATR 10 PPA NJ 208 ECM NKX 15 NUP 2212 ECJ OKC 730 PCM 125130100 M SI 10 C

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